| 发明名称 |
BLOCKING COMPOSITION FOR USE IN SUBTERRANEAN FORMATION. |
| 摘要 |
<p>A polymer composition for pumping downhole to gel in a subterranean formation comprises a water-soluble copolymer of (i) at least one non-acidic ethylenically unsaturated polar monomer and (ii) at least one copolymerisable ethylenically unsaturated ester; and an organic gelling agent therefor.</p> |
| 申请公布号 |
MXPA99002555(A) |
申请公布日期 |
2005.03.09 |
| 申请号 |
MX19990002555 |
申请日期 |
1997.09.17 |
| 申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
PHILLIP LANCE URLWIN-SMITH |
| 分类号 |
E21B33/138;(IPC1-7):E21B33/138 |
主分类号 |
E21B33/138 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
